[stories/US00001] basic support for add/edit user as well as user list
[stories/US00001] add ability to remove users
[stories/US00001] test for user endpoint api
[stories/US00001] starting tests for user controller
[stories/US00001] adding tests for update
[stories/US00001] full coverage for user->update()
[stories/US00001] full coverage for user->delete()
[stories/US00001] full coverage for user->getbyusername()
[stories/US00001] full coverage for user->getall()
[stories/US00001] fix for php 5.4
[stories/US00001] add hhvm to test runs
[stories/US00001] allow failures on hhvm platform since it's just for curiosity
[stories/US00001] slightly better response message
[stories/US00001] minor tweaks
[stories/US00001] update tests
[stories/US00001] updating documentation